74073-22-6

• 常用中文名：2,3-二氯亚苄基乙酰乙酸甲酯
• 常用英文名：Methyl 2-(2,3-dichlorobenzylidine)acetoacetate
• CAS号：74073-22-6
• 分子式：C₁₂H₁₀Cl₂O₃
• 分子量：273.112
• 发布时间：2018-06-15 14:24:53
• 更新时间：2026-07-15 05:44:17

名称

• 中文名: 2,3-二氯亚苄基乙酰乙酸甲酯
• 英文名: Methyl 2-(2,3-Dichlorobenzylidine)Acetoacetate
• 中文别名: 2-(2,3-二氯苄叉)乙酰乙酸甲酯; 非洛地平杂质12; (2,3-二氯亚苄基)乙酰乙酸甲酯; 2-(2,3-二氯亚苄基)乙酰乙酸甲酯(非洛地平中间体); 丁酸氯维地平杂质S2; 2-(2,3-二氯亚苄基)乙酰乙酸甲酯; 二氯亚苄基乙酰乙酸甲脂; 5-ISOBUTOXY BENZALDEHYDE相关杂质
• 英文别名: BUTANOICACID,2-[(2,3-DICHLOROPHENYL)METHYLENE]-3-OXO-,METHYLESTER(9CI); 2-[(2,3-Dichlorophenyl)methylene]-3-oxobutanoic acid methyl ester; 2,3-dichlorobenzylidene acetoacetate methyl ester; 2-nitro-4-methylsulfonyl benzoyl chloride; 5-isobutoxy benzaldehyde; Methyl (2E)-2-[(2,3-dichlorophenyl)methylidene]-3-oxobutanoate; Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate; METHYL 2-(2,3-DICHLOROBENZYLIDINE)ACETOACETATE; Methyl 2-(2,3-dichlorobenzylidine); Butanoic acid, 2-[(2,3-dichlorophenyl)methylene]-3-oxo-, methyl ester; Methyl-2-(2,3-diclorobenzylidene)acetoacetate; Felodipine Impurity 12; 2-Acetyl-3-(2,3-dichloro-phenyl)-methyl acrylate; methyl (2E)-2-[(2,3-dichlorophenyl)methylidene]-3-oxobutanoate; METHYL-2-(2,3-DICHLORBENZYLIDEN)-ACETOACETATE; 2-(2,3-Dichloro-benzylidene)-3-oxo-butyric acid Methyl ester; Methyl 2-(2,3-Dichlorobenzylidine)Acetoacetate 2,3; Methyl 2-(2,3-dichlo; Methyl (Z)-2-(2,3-dichlorobenzylidene)-3-oxobutanoate; Methyl 2-(2,3-dichlorobenzylidene)-3-oxobutanoate; Methyl (2E)-2-(2,3-dichlorobenzylidene)-3-oxobutanoate; 2,3-Dichlorobenzylideneaceto

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 383.6±42.0 °C at 760 mmHg
• 熔点: 81-83ºC
• 分子式: C₁₂H₁₀Cl₂O₃
• 分子量: 273.112
• 闪点: 157.2±26.9 °C
• 精确质量: 272.000702
• PSA: 43.37000
• LogP: 2.54
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.575
• 储存条件: 2-8°C

安全

• 危害码 (欧洲): Xi
• 海关编码: 2918300090

合成路线

105-45-3 6334-18-5 ~% 74073-22-6

文献：Chemical and Pharmaceutical Bulletin, , vol. 41, # 1 p. 108 - 116

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海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%